Kawasaki S1 250SS MKI (1972-73) vs Yamaha WR 125R (2013-14) vs Harley-Davidson Harley Davidson FXST/I Softail Standard (2002-04) vs Yamaha RD 350 (1975) vs Yamaha IT 490 (1983) vs BMW F 800ST Touring (2011) vs Honda CB 450K0 (1967) vs Yamaha RD 250 (1977) vs Bajaj Pulsar 150 (2005) vs Kawasaki GPz 1100 ABS (1997-98)
Comparison technical specifications
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| Make: | Kawasaki | Yamaha | Harley-Davidson | Yamaha | Yamaha | BMW | Honda | Yamaha | Bajaj | Kawasaki |
| Model: | S1 250SS MKI | WR 125R | Harley Davidson FXST/I Softail Standard | RD 350 | IT 490 | F 800ST Touring | CB 450K0 | RD 250 | Pulsar 150 | GPz 1100 ABS |
| Years: | 1972-73 | 2013-14 | 2002-04 | 1975 | 1983 | 2011 | 1967 | 1977 | 2005 | 1997-98 |
| Engine: | Two stroke, transverse three cylinder, | Four stroke, forward inclined single cylinder, DOHC, 4 valve | Four stroke, 45° V-Twin, Twin Cam 88® vibration isolation-mounted Valves Pushrod-operated overhead valves; w/ hydraulic self-adjusting lifters; two valves per cylinder | Two stroke, parallel twin cylinder, reed valves | Two stroke, single cylinder, read valve | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder | Four stroke, parallel twin cylinder, DOHC, 2 valves per cylinder | Two stroke, torque induction, parallel twin | Four stroke, single cylinder, SOHC, 2 valves | Four stroke, transverse four cylinders, DOHC, 4 valve per cylinder |
| Capacity: | 249 cc / 15.2 cu-in | 124.7 | 1449 cc / 88.4 cu-in | 347 cc / 21.1 cu-in | 487 cc / 29.7 cu-in | 798 cc / 47.7 cub. in. | 445 cc / 27.1 cu-in | 247 cc / 15.0 cu-in | 143.8 cc / 8.8 cu in | 1058 cc / 64.1 cu-in |
| Induction: | 3x Mikuni VM22SC, Ø 22 mm carburetor | Fuel injection | Carburetion 40 mm constant velocity with enrichener and accelerator pump ESPFI 38 mm throttle bore electronic sequential port fuel injection | 2, Mikuni VM28 SC | VM38SS Mikuni carburetor | Electronic intake injection | 2x 32mm Keihin carburetors | 2x Mikuni VM28 SC carburetor | Carburetor | 4x 36mm Keihin CVK 36 carburetors |
| Ignition: | Battery and coil | TCI | Single-fire, non-wasted, map-controlled spark ignition | Battery, dual coils, breaker points | CDI | Knock control and oxygen sensors | Coil with auto-advance, twin contact breaker | Battery and coil with breaker points | CDI | TCI (Transistor Controlled Ignition) |
| Max Power: | 32 hp / 23.8 kW @ 8 500 rpm | 10.9 kW / 15 hp @ 9000 rpm | 67 hp / 48.8 kW @ 5200 rpm | 39 hp / 28.5 kW @ 7500 rpm | 35 hp @ 6000 rpm | 62.5 kW / 85 hp @ 8000 rpm | 45 hp / 32.8 kW @ 9000 rpm | 30 hp / 22.3 kW @ 7500 rpm | 10.1 kW / 13.5 hp @ 8000 rpm | 129 hp / 94 kW @ 9500 rpm |
| Max Torque: | 2.54 m-kg / 18.3 lb-ft @ 7 000 rpm | 12.2 Nm / 1.24 kgf-m @ 6000 rpm | 116.6 Nm / 86 lb-ft @ 3500rpm | 24.1 lb-ft / 32.6 Nm @ 7000 rpm | 31 lb-ft @ 5500 rpm | 80 Nm / 8.2 kgf-m / 59 lb-ft. @ 5800 rpm | 37.4 Nm / 27.6 lb-ft @ 7000 rpm | 21 lb-ft / 2.9 kgf-m @ 7000 rpm | 12.3 Nm / 1.25 kgf-m / 9.1 ft. lbs @ 6500 rpm | 100 Nm / 10.2 kg-m @ 7000 rpm |
| Transmission: | 5 Speed | 5 Speed | 5 Speed | 6 Speed | 5 Speed | 6 Speed | 5 Speed | 6 Speed | 5 Speed | 6 Speed |
| Final Drive: | Chain | Chain | Belt | Chain | Chain | Belt drive with shock damper | Chain | Chain | Chain | Chain |
| Front Suspension: | Telescopic hydraulic forks | Telescopic fork | 41.3 mm telescopic, “beer can” covers | Telescopic forks | 43mm Telescopic adjustable forks | 43mm Telescopic forks, | Telescopic forks with two-way damping. | Telescopic forks | Telescopic forks with anti-stiction bushes | 41mm Telescopic |
| Rear Suspension: | Dual shocks, Swing arm | Swinging arm link suspension | Hidden, horizontal-mounted, coil-over shock | Dual shocks | Mono shock, adjustable spring preload and rebound damping | Die-cast aluminium single sided swinging arm with rear wheal axle and eccentric adjustment, central spring stud , spring pre-loaded hydraulically adjustable to continuously variable levels by means of handwheel, rebound damping adjustable. | Swing arm, shock absorbers with adjustable preload | Dual shocks | Triple rate spring, 5-way adjustable, gas assisted Nitrox shock absorber | 4-way preload and rebound adjustments. |
| Front Brakes: | 180mm Drum | Single 248mm disc | Single 292mm disc 4 piston caliper | Single 267mm disc 2 piston caliper | Drum | 2 x ∅320 mm discs, 4 piston calipers | Drum | Single 267mm disc | Single 240 mm disc | 2x 300mm discs 2 piston calipers |
| Rear Brakes: | 180mm Drum | Single 220mm disc | Single 292mm disc 4 piston caliper | 178mm Drum | Drum | Single ∅265 mm disc, 2 piston caliper | Drum | Single 267mm disc | Drum, 130 mm | Single 250mm disc 1 piston caliper |
| Front Tyre: | 3.00 -18 | 80/90-21 | MH90-21 54H | 3.00-18 | 3.00 -21 | 120/70 ZR17 | 3.25-18 | 3.00S-18-4PR | 2.75-18 | 120/70-17 |
| Rear Tyre: | 3.25 -18 | 110/80-18 | MT90B 16 74H | 3.25-18 | 150/80 -18 | 180/55 ZR17 | 3.50-18 | 3.50S-18-4PR | 100/90-18 | 170/60-17 |
| Fuel Capacity: | 15 Litres / 3.9 US gal | 8.5 Litres / 2..2 US gal | 18.9 Litres / 5.0 US gal | 15.9 Litres / 4.2 gal | 13.6 Litres / 3.6 US gal | 16 Litres / 4.2 US gal. | 14 Litres / 3.7 US gal | 16.5 Liters / 4.2 US gal | 18 Litres / 4.8 US gal | 22 Litres / 5.8 US gal |